To solve this problem you must apply the proccedure shown below:
The linear functions have the form y=mx+b
where m is the slope and b is the y- intercept
Therefore, you have:
1) The slope -6/5 and b=(0,8) is:
y=(6/5)x+8
2) You have 3x-2y=1. Then, you only have to clear y:
y=(3/2)x-1/2